Home / 205,423.24-308,222.70-98,755.96

Finding the Fourth Proportional to 205,423.24, 308,222.70 and 98,755.96

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Solution

The fourth proportional to 205,423.24, 308,222.70 and 98,755.96 is: 148,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,423.24 : 308,222.70 = 98,755.96 : x
  2. Step 2: Convert to fraction form
    205,423.24/308,222.70 = 98,755.96/x
  3. Step 3: Cross multiply
    205,423.24x = 308,222.70 × 98,755.96
  4. Step 4: Simplify right side
    205,423.24x = 30,438,828,632.29
  5. Step 5: Solve for x
    x = 30,438,828,632.29/205,423.24
  6. Step 6: Final answer
    x = 148,176.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.